关于进程的pid [英] About the pid of the process

问题描述

我有一个有点愚蠢的问题，如果我创建了一系列进程......这些不一定是某种继承，进程的 pid 必须是数字连续或随机 pids ?

I've a somewhat silly question, if i have a series of processes that are created ... these are not necessarily some sort of inheritance, the pid of the processes have to be numbers continuous or random pids ?

推荐答案

这由操作系统决定.

一般来说，它们通常由操作系统按顺序分配.但是，这种行为并不是决策的依据，因为大多数操作系统规范都声明进程 ID 分配不是确定性的(即:它可能是随机的，并且可能在未来版本中发生变化等).

In general, they are usually sequentially assigned by the OS. However, this behavior is not something to base decisions upon, since most operating system specifications state that the process ID allocation is not deterministic (ie: it could be random, and could change in a future version, etc).

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